Sonny Ariady
Bekasi, 17411, West Java, Indonesia •-• - •
https://www.linkedin.com/in/sonnyariady/ • http://github.com/sonnyariady
SUMMARY
Senior .NET Developer with 15+ years of experience delivering enterprise-scale solutions across banking, insurance,
FMCG, manufacturing, and technology industries. Specialized in .NET Core, API development, SQL optimization,
reporting, and workflow engines. Recognized for improving performance, scalability, and reliability, while accelerating
delivery in Agile environments. Passionate about leveraging AI tools (ChatGPT, Copilot, Gemini, Perplexity, Meta AI) to
boost productivity and problem-solving. Highly adaptable and eager to learn new technologies, domains, and global
working practices, and open to exploring and adopting other programming languages or tech stacks beyond .NET when
required.
SKILLS
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Backend & Frameworks: C#, .NET Core, ASP.NET (Web API, MVC), Blazor, Microservices, Apache Kafka, SAP
Integration, NodeJs (Learning), Golang (Learning)
Frontend & UI: Angular (CLI), AngularJS, Kendo UI, jQuery, JavaScript, Bootstrap, HTML5/CSS3
Databases: Microsoft SQL Server (SP, Views, SQL Jobs), PostgreSQL, MongoDB, Redis
Reporting: SSRS, Crystal Report, wkhtml, Custom Reporting APIs
Workflow Engines: Ultimus Workflow, Custom Workflows (BNI, Buma, Tomori)
DevOps & Tools: Git, Azure DevOps, TFS, SVN, Visual Studio, VS Code, JMeter, Redgate SQL
Legacy Exposure: ASP.NET Webform, MVC3, Classic ASP, VSS
AI Tools: Practical use of prompting and query automation with ChatGPT, Copilot, Gemini, Meta AI, Perplexity
WORK EXPERIENCE
Tech Mahindra – .NET Developer (Learning & Upskilling Program)
Jakarta | Aug 2025 – Present
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Engaged in continuous learning and upskilling to prepare for upcoming client project placements.
Completed internal training on workplace success, leadership, communication, interpersonal skills, etc.
Practiced and explored new technologies including Node.js, Java Spring Boot, React.js, etc through Udemy
courses.
Participated in internal assessments and knowledge-sharing activities to enhance readiness for future
assignments.
PT Kimberly-Clark Softex (via TechMahindra) – .NET Developer
BSD, South Tangerang | Jun 2025 – Aug 2025
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Supported and enhanced legacy enterprise applications with minimal documentation.
Implemented logging, bug fixes, and Excel export improvements to stabilize business processes.
Coordinated directly with end-users to resolve production issues and ensure continuity.
Technologies: .NET Framework 4.x, VB.NET, ASP.NET, ASP.NET WebForm, Windows Forms, PHP, Oracle, RDLC
PT AIA Indonesia (via Glints) – .NET Developer
Jakarta | Aug 2024 – May 2025
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Developed and enhanced APIs and Blazor UI for agent/client management platform.
Refactored code and added telemetry for detailed error tracking and maintainability.
Implemented pentest remediation improving security compliance.
Verified JIRA change items vs source code before production promotion.
Technologies: C#, .NET Core 8.0, Web API, JQuery, Bootstrap, Javascript, SQL Server, Entity Framework, Blazor, Git, JIRA,
Bitbucket, Scrum, Telemetry, Azure Storage Account, Okta (SSO/OAuth2/OpenID Connect), Telerik Reporting, VB.NET,
Veracode
PT Bukit Makmur Mandiri Utama (via SDM Konsultan) – Senior .NET Backend Developer
Jakarta | Aug 2022 – Aug 2024
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Designed and implemented backend architecture for modular enterprise applications.
Migrated monolithic Bspace1 → Bspace2, improving maintainability and scalability.
Improved code quality & security via SonarQube standards.
Customized workflow API for complex business processes.
Technologies: C#, .NET Core 3.5/6.0/7.0, ASP.NET MVC, JQuery, Bootstrap, Web API, SQL Server, Dapper, Git, Azure
DevOps, Scrum, Telemetry, Azure Blob, wkhtml (HTML-to-PDF), SonarQube, Custom Workflow Engine, Azure Active
Directory (Microsoft Entra ID), MSAL, OAuth2, OpenID Connect
PT Alpha Indosoft – Senior .NET Backend Developer
Jakarta | Apr 2021 – Aug 2022
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Refactored APIs into high-performance architecture.
Built scheduler for automated reporting, reducing query time.
Enhanced concurrency handling using Apache Kafka.
Integrated Telegram API for real-time monitoring and faster issue response.
Migrated dashboard from MVC to API-based architecture for ReactJS.
Technologies: C#, .NET Core, ASP.NET MVC, JQuery, Bootstrap, Web API, SQL Server, Entity Framework, Dapper, Redis,
MongoDB, Apache Kafka, JMeter, Git, AWS S3, Postgresql, MySQL, Telegram API
PT Job Tomori (via Inspiro) – .NET Developer
Jakarta | Apr 2020 – Mar 2021
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Built backend (.NET) + frontend (Angular) applications.
Integrated with SOAP APIs for interoperability.
Designed custom workflow engine for business processes.
Created reusable templates improving delivery speed for future projects.
Technologies: C#, .NET Framework, ASP.NET MVC, ASP.NET Web Service, Bootstap, SOAP, SQL Server, Entity Framework,
Angular CLI, AngularJS, Git
PT Berlian Sistem Informasi (via Asiatek) – .NET Developer
Jakarta | Jan 2018 – Mar 2020
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Maintained and enhanced Oracle + IE-dependent legacy apps.
Improved XML data synchronization across systems.
Developed APIs for mobile app integration.
Enhanced Operating Lease system based on complex workflows.
Technologies: C#, .NET Framework, ASP.NET MVC, JQuery, Bootstrap, Web API, SQL Server, Entity Framework, Oracle,
RDLC, Git
Accenture Indonesia (via Adi Consulting) – .NET Developer
Jakarta | Aug 2017 – Dec 2017
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Contributed to Fleet Management & Price Calculator systems.
Applied Scrum using Azure DevOps; introduced Git version control.
Improved coding practices with object-oriented principles.
Technologies: C#, .NET Framework, ASP.NET MVC, JQuery, Bootstrap, Web API, SQL Server, Git, Scrum, Azure DevOps,
Azure Active Directory (Microsoft Entra ID), MSAL, OAuth2, OpenID Connect
EARLIER EXPERIENCE
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Tower Bersama Group (2017): Handled Change Requests in VB.NET & ASP.NET WebForms, worked with
complex SQL queries in multi-table employee systems.
Technologies: VB.NET, ASP.NET WebForms, SQL Server
Bank Negara Indonesia -): Developed eOffice & OPBG (rewriting PHP → .NET/SQL Server); optimized
queries, built APIs for Android apps, created reusable project templates.
Technologies: C#, .NET Framework, ASP.NET MVC, Kendo UI, SQL Server, Entity Framework, PHP, My SQL, Web
API, SQL Server Reporting Service
Integrasi Solution -): Delivered enterprise apps with Ultimus Workflow; built Web Form Generator
reducing manual coding.
Technologies: C#, .NET Framework, ASP.NET Webform, Windows Form, iBatis, SQL Server, Ultimus Workflow,
Crystal Report, SQL Server Reporting Service
Global Administrasi Solusi -): Junior Developer; generated Crystal Reports, automated routine
reporting, maintained ASP Classic & .NET apps.
Technologies: VB.NET, .NET Framework, ASP Classic, ASP.NET Webform, ADO.NET, SQL Server, Crystal Report
EDUCATION
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Institut Teknologi Bandung (ITB), Bandung
Master of Engineering in Informatics | 2007 – 2009
Universitas Trisakti, Jakarta
Bachelor of Engineering in Informatics | 2001 – 2006
CERTIFICATIONS
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MCP: Application Development Foundation – Nov 2009
MCTS: Microsoft .NET Framework 3.5 Windows Form Application Development – Dec 2009
MCPD: Windows Developer 3.5 – Jan 2010
